------------[ cut here ]------------ WARNING: CPU: 1 PID: 4920 at fs/inode.c:389 inc_nlink+0x11d/0x130 fs/inode.c:389 Modules linked in: CPU: 1 PID: 4920 Comm: syz.3.183 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:inc_nlink+0x11d/0x130 fs/inode.c:389 Code: 0c ef ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 ad 0c ef ff e9 3f ff ff ff e8 73 a9 aa ff <0f> 0b eb 82 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41 RSP: 0018:ffffc900033dfc08 EFLAGS: 00010287 RAX: ffffffff81cd1aad RBX: ffff888065382208 RCX: 0000000000080000 RDX: ffffc90010211000 RSI: 000000000000ed98 RDI: 000000000000ed99 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100be5ff58 R10: ffffed100be5ff58 R11: 1ffff1100be5ff57 R12: dffffc0000000000 R13: 1ffff1100ca70441 R14: ffff8880653821c0 R15: 0000000000000000 FS: 00007f59e73ba6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000b000 CR3: 000000002a917000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_link+0x2b4/0x460 fs/fuse/dir.c:948 vfs_link+0x615/0x7c0 fs/namei.c:4557 do_linkat+0x277/0x7b0 fs/namei.c:4628 __do_sys_link fs/namei.c:4662 [inline] __se_sys_link fs/namei.c:4660 [inline] __x64_sys_link+0x82/0x90 fs/namei.c:4660 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f59e9194be9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f59e73ba038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 RAX: ffffffffffffffda RBX: 00007f59e93bc180 RCX: 00007f59e9194be9 RDX: 0000000000000000 RSI: 0000200000000400 RDI: 0000200000000280 RBP: 00007f59e9217e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f59e93bc218 R14: 00007f59e93bc180 R15: 00007ffc726e14a8